20521498

素因数分解:

$2^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{2851}}^1$

素因数の和:2973

約数の個数: 16

約数和(自身を含む): 31828320

約数和(自身を除く): 11306822

約数列:

[1, 2, 59, 61, 118, 122, 2851, 3599, 5702, 7198, 168209, 173911, 336418, 347822, 10260749, 20521498]

約数ペア:

[(1, 20521498), (2, 10260749), (59, 347822), (61, 336418), (118, 173911), (122, 168209), (2851, 7198), (3599, 5702)]